Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 31.83 ft / 9.70 m
LWL: 24.50 ft / 7.47 m
S.A. (reported): 405.00 ft² / 37.63 m²
Beam: 9.67 ft / 2.95 m
Displacement: 11,650.00 lb / 5,284 kg
Ballast: 4,409.00 lb / 2,000 kg
Max Draft: 4.58 ft / 1.40 m
Construction: FG
Ballast Type: Iron
First Built: 1971
# Built: 200
Builder: Marine Construction (UK)
Designer: Peter Brett

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD-2
Type: Diesel
Fuel: 17 gals / 64 L

Accomodations

Water: 30 gals / 114 L

Sailboat Calculations

Definitions
S.A. / Displ.: 12.65
Bal. / Displ.: 37.85
Disp: / Len: 353.65
Comfort Ratio: 32.83
Capsize Screening Formula: 1.71
S#: 1.11
Hull Speed: 6.63 kn
Pounds/Inch Immersion: 846.52 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 38.00 ft / 11.58 m
J: 12.00 ft / 3.66 m
P: 32.66 ft / 9.95 m
E: 11.25 ft / 3.43 m
S.A. Fore: 228.00 ft² / 21.18 m²
S.A. Main: 183.71 ft² / 17.07 m²
S.A. Total (100% Fore + Main Triangles): 411.71 ft² / 38.25 m²
S.A./Displ. (calc.): 12.86
Est. Forestay Length: 39.85 ft / 12.15 m

Sailboat Links

Designers: Peter Brett
Builders: Marine Construction Ltd. (UK)
Associations: Rival Owners Association
Download Boat Record:

Notes

All 200 hulls were molded by Marine Construction Ltd., but many were finished by Southern Boatbuilding.
The design was a longer counter sterned development of the 1967 designed Rival 31, and later evolved into the better-known Rival 34 - although actually more Rival 32s than 34s were built.